Finding the Fourth Proportional to 248,810.40, 343,365.35 and 152,029.98
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Solution
The fourth proportional to 248,810.40, 343,365.35 and 152,029.98 is: 209,805.65
Step by Step Solution
- Step 1: Write the proportion equation
248,810.40 : 343,365.35 = 152,029.98 : x - Step 2: Convert to fraction form
248,810.40/343,365.35 = 152,029.98/x - Step 3: Cross multiply
248,810.40x = 343,365.35 × 152,029.98 - Step 4: Simplify right side
248,810.40x = 52,201,826,533.04 - Step 5: Solve for x
x = 52,201,826,533.04/248,810.40 - Step 6: Final answer
x = 209,805.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.